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All results from a given calculation for BeOH (beryllium monohydroxide)

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
1 2 no C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-89.566844
Energy at 298.15K-89.566476
HF Energy-89.566844
Nuclear repulsion energy17.405600
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at LSDA/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3791 3723 178.86      
2 Σ 1400 1375 47.59      
3 Π 244 240 198.45      
3 Π 244 240 198.45      

Unscaled Zero Point Vibrational Energy (zpe) 2839.5 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 2788.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at LSDA/3-21G*
B
1.26937

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.353
Be2 0.000 0.000 -1.039
H3 0.000 0.000 1.327

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39210.9739
Be21.39212.3660
H30.97392.3660

picture of beryllium monohydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.585      
2 Be 0.179      
3 H 0.406      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.310 2.310
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.058 0.000 0.000
y 0.000 -12.058 0.000
z 0.000 0.000 -11.083
Traceless
 xyz
x -0.488 0.000 0.000
y 0.000 -0.488 0.000
z 0.000 0.000 0.976
Polar
3z2-r21.951
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.641 0.000 0.000
y 0.000 3.641 0.000
z 0.000 0.000 3.765


<r2> (average value of r2) Å2
<r2> 14.405
(<r2>)1/2 3.795

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-89.566844
Energy at 298.15K-89.566464
HF Energy-89.566844
Nuclear repulsion energy17.404973
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at LSDA/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3793 3724 178.90      
2 Σ 1400 1375 47.61      
3 Π 240 235 198.48      
3 Π 240 235 198.48      

Unscaled Zero Point Vibrational Energy (zpe) 2835.8 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 2784.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at LSDA/3-21G*
B
1.26917

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.353
Be2 0.000 0.000 -1.039
H3 0.000 0.000 1.327

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39220.9738
Be21.39222.3660
H30.97382.3660

picture of beryllium monohydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.585      
2 Be 0.179      
3 H 0.406      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.310 2.310
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.058 0.000 0.000
y 0.000 -12.058 0.000
z 0.000 0.000 -11.083
Traceless
 xyz
x -0.487 0.000 0.000
y 0.000 -0.487 0.000
z 0.000 0.000 0.975
Polar
3z2-r21.950
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.641 0.000 0.000
y 0.000 3.641 0.000
z 0.000 0.000 3.764


<r2> (average value of r2) Å2
<r2> 14.406
(<r2>)1/2 3.795